NH3H₂STEMPRHPM2.5
Multiple Elements detection
Can quickly detect ammonia, hydrogen sulfide, temperature and humidity, PM2.5 and other elements in the environmentPower(10~30V DC)
RS-485
Interface Introduction
The device adopts wide-voltage 10-30V DC power supply, RS485 signal output, standard Modbus-RTU communication protocolEpitaxial temperature and humidity sensor
Avoid heating of other sensors and affect accuracyTemperature and humidity sensor
Easy installation
Avoid heating of other sensors and affect accuracyAdopted round cambered surface shell, and the base can be installed on the ceiling or on the wall.Application scenario
Common usage scenario: Smart toiletEnvironmental detection sensor（ED-N01）![mode image]()
Maximum power consumption (11 elements) and Weight
Diameter
- 168 mm
Thickness
- 30 mm
Weight
- Net weight: 150g
- Actual size and weight may vary depending on configuration, manufacturing process, and measurement method
Power supply mode and Maximum power consumption (11 elements)
Power supply mode
- DC 10-30V
Maximum power consumption (11 elements)
- 1.5 W (24V DC supply)
Detection parameters and Working environment
Detection parameters
- NH₃
- H₂S
- Temperature
- Humidity
- PM2.5
Working environment
- Operating temperature: -10℃-55℃
- Humidity 0~95%RH,non-condensing
Signal output and Material
Signal output
- RS485 output (standard Modbus-RTU protocol)
Material
- ABS
Installation mode and Accessories list
Installation mode
- Wall-mounted
- Ceiling-mounted
Accessories list
- Install one card holder (optional)
- Screw pack(x1)
- Certificate (x1)
- Warranty Card (x1)
NH₃ Detection parameters and H₂S Detection parameters
NH₃ Detection parameters
- Range: 0~20ppm
- Resolution: 0.001ppm
- Precision: ±9%FS（@20ppm、 25℃、50%RH）
- Warm-up time: ≥5min
H₂S Detection parameters
- Range: 0~20ppm
- Resolution: 0.001ppm
- Precision: ±2ppm or ±10%
- Warm-up time: ≥5min
Temperature Detection parameters and Humidity Detection parameters
Temperature Detection parameters
- Range: -40℃ ~ +120 ℃
- Resolution: 0.1℃
- Precision: ±0.5℃(25℃）
Humidity Detection parameters
- Range: 0%RH-100%RH
- Resolution: 0.1%RH
- Precision: ±3%RH（60%RH,25℃）
PM2.5 Detection parameters
PM2.5 Detection parameters
- Range: 0~1000ug/m3
- Resolution: 1ug/m3
- Warm-up time: ≤2min
Particle counting efficiency
- 50%@0.3μm
- 98%@>=0.5μm
PM2.5 accuracy
- ±3% FS (@ 100μg/m3 , 25 ℃, 50% RH)
Case study
- Scenic Smart Toilet Cases China
- Use requirementReal-time detection of temperature and humidityReal-time detection of PM2.5NH₃ real-time detection
- Use product1. Environmental detection sensor
Functional characteristics
Specification parameter
Successful case
Data download